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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 239 · 40 questions
TalentJR

The method (Divide by the HCF): Find the HCF (highest common factor) of the top and the bottom. Divide the top and the bottom by the HCF. If the HCF is 1, the fraction is already in its simplest form.

NameDateTime takenScore ___ / 40
  1. 1.Is 7/8 in its simplest form? (a) Yes (b) No
  2. 2.Write 30/42 in its simplest form. =
  3. 3.What is the HCF of 18 and 24?
  4. 4.Write 4/10 in its simplest form. =
  5. 5.Write 8/32 in its simplest form. =
  6. 6.What is the HCF of 10 and 14?
  7. 7.What is the HCF of 3 and 21?
  8. 8.Write 4/20 in its simplest form. =
  9. 9.What is the HCF of 5 and 15?
  10. 10.Is 7/9 in its simplest form? (a) Yes (b) No
  11. 11.Write 6/48 in its simplest form. =
  12. 12.What is the HCF of 5 and 20?
  13. 13.Write 8/16 in its simplest form. =
  14. 14.What is the HCF of 9 and 30?
  15. 15.What is the HCF of 3 and 24?
  16. 16.Is 6/27 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 27 and 72?
  18. 18.Write 40/64 in its simplest form. =
  19. 19.Is 5/7 in its simplest form? (a) Yes (b) No
  20. 20.Is 3/15 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 8 and 80?
  22. 22.What is the HCF of 6 and 16?
  23. 23.Write 8/80 in its simplest form. =
  24. 24.Write 27/36 in its simplest form. =
  25. 25.Write 9/30 in its simplest form. =
  26. 26.What is the HCF of 35 and 50?
  27. 27.Is 9/24 in its simplest form? (a) Yes (b) No
  28. 28.Write 7/28 in its simplest form. =
  29. 29.Is 10/25 in its simplest form? (a) Yes (b) No
  30. 30.Is 1/10 in its simplest form? (a) Yes (b) No
  31. 31.Write 3/21 in its simplest form. =
  32. 32.Write 54/60 in its simplest form. =
  33. 33.What is the HCF of 8 and 56?
  34. 34.Write 15/50 in its simplest form. =
  35. 35.What is the HCF of 9 and 15?
  36. 36.Is 28/32 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 2 and 8?
  38. 38.Is 6/30 in its simplest form? (a) No (b) Yes
  39. 39.Write 27/90 in its simplest form. =
  40. 40.Is 8/36 in its simplest form? (a) No (b) Yes

Answer key

  1. Yes
  2. 5/7
  3. 6
  4. 2/5
  5. 1/4
  6. 2
  7. 3
  8. 1/5
  9. 5
  10. Yes
  11. 1/8
  12. 5
  13. 1/2
  14. 3
  15. 3
  16. No
  17. 9
  18. 5/8
  19. Yes
  20. No
  21. 8
  22. 2
  23. 1/10
  24. 3/4
  25. 3/10
  26. 5
  27. No
  28. 1/4
  29. No
  30. Yes
  31. 1/7
  32. 9/10
  33. 8
  34. 3/10
  35. 3
  36. No
  37. 2
  38. No
  39. 3/10
  40. No

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